IEC/UL busbar support, 60 mm system, rated operational current Ie=1600A, poles=3, can be used for double T profile, suitable for outside and middle carrier, with screw block inside, temperature resistant to 120 °C, track resistance CTI 200, self-extinguishing to UL 94, RAL 7035, thermoplastic, silicon free, chlorine free, halogen free, distance between busbar supports corresponding to short-circuit strength diagram, UL approved